83431257

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17977}}^1$

素因数の和:18017

約数の個数: 32

約数和(自身を含む): 144974592

約数和(自身を除く): 61543335

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 17977, 53931, 125839, 233701, 305609, 377517, 701103, 916827, 1635907, 2139263, 3972917, 4907721, 6417789, 11918751, 27810419, 83431257]

約数ペア:

[(1, 83431257), (3, 27810419), (7, 11918751), (13, 6417789), (17, 4907721), (21, 3972917), (39, 2139263), (51, 1635907), (91, 916827), (119, 701103), (221, 377517), (273, 305609), (357, 233701), (663, 125839), (1547, 53931), (4641, 17977)]